TRAILERING EQUIPMENT Trailering hitch platform 2.5 with a 2.0 insert for HD 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector to hook up parking lamps backup lamps right and left turn signals an electric brake lead battery and a ground The trailer connector also includes the 4-way for use on trailers without brakes - park brake/turn lamps Includes (JL1) trailer brake controller.